Glossary

Architecture
The art and science of building
Barge Board
... or bargeboard: board that hangs from the projecting end of a gable roof, often ornamental.
Box Gutter
A rectangular-shaped timber roof gutter recessed in the eaves to conceal them and to protect them from falling foliage.
Chimney
A structure, generally of brick or stone, containing a passage through which the smoke and waste gases from a fire or furnace may escape
Downpipe
A vertical pipe used to carry rainwater from the roof to either the ground or a drainage system.
Eaves
The lower part of a roof that overhangs the walls
Flashing
A thin, impervious sheet of material placed in construction to prevent water penetration or direct the flow of water. Flashing is used especially at roof hips and valleys, roof penetrations, joints between a roof and a vertical wall, and in masonry walls to direct the flow of water and moisture.
Gable
The triangular end of a house formed at the end of a pitched roof, from eaves level to apex
Galvanise
The coating of iron or steel with zinc to protect it from rust.
Hip Roof
A roof with an end roughly pyramidal in shape, with surfaces sloping upwards from all three eaves
Parapet
A low wall at the edge of a roof, balcony, bridge, or terrace
Pitch
The angle of inclination to the horizon of a roof
Porch
A covered entrance to a building
Profile
The shape to which rolled metal roofing and guttering is matched
Ridge Capping
A layer of metal topping the ridge of a roof.
Roll-forming
Rolling coated steel into different profiles for roofing, cladding, metal decking or fences
Sheet and strip
Flat rolled steel product less than 3mm thick.